Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794530 | Process for making &ggr;-alkoxyamines | Wolfgang Friedrich, Heinz-Josef Kneuper, Andreas Henne, Rolf Lebkucher | 2004-09-21 |
| 6713422 | Method for processing pTHF polymerization catalysts | Volkmar Menger, Anton Meier, Michael Hesse | 2004-03-30 |
| 6518441 | Method for oxidizing an organic compound containing at least one C-C double bond | Georg Heinrich Grosch, Ulrich Müller, Andreas Walch, Norbert Rieber, Martin Fischer +11 more | 2003-02-11 |
| 6455711 | Method for producing polytetrahydrofuran | Michael Hesse, Rainer Becker, Arthur Hohn, Heinz Rutter | 2002-09-24 |
| 6441110 | Method for producing halogen-free reactive polyisobutene | Christoph Sigwart, Thomas Narbeshuber, Manfred Barl, Rolf Fischer, Eugen Gehrer | 2002-08-27 |
| 6410789 | Process for preparing aromatic polyamine mixtures | Rainer Becker, Hans-Werner Langensiepen, Michael Hesse | 2002-06-25 |
| 6403845 | Preparation of pentanediols from alkoxydihydropyrans | Joachim Pfeffinger, Peter Wahl, Jan Nouwen, Arthur Hohn, Jürgen Hunger | 2002-06-11 |
| 6362312 | Catalyst and method for the production of polytetrahydrofuran | Heinz Rutter, Michael Hesse, Rainer Becker | 2002-03-26 |
| 6359108 | Method for polymerizing cyclic ether | Frank Stein, Christoph Sigwart, Rainer Becker, Klaus-Dieter Plitzko, Rolf Fischer +1 more | 2002-03-19 |
| 6350923 | Hydrogenation of aldehydes | Peter Wahl, Rolf Pinkos | 2002-02-26 |
| 6350914 | Preparation of amines from olefins over zeolites having an NES structure | Rudolf Kummer, Matthias Dernbach | 2002-02-26 |
| 6274700 | Catalyst and method for producing polytetrahydrofuran | Heinz Rutter, Michael Hesse, Rainer Becker | 2001-08-14 |
| 6252039 | Method for decoloring tetrahydrofuran polymers or copolymers | Rainer Becker, Michael Hesse | 2001-06-26 |
| 6211401 | Process for preparing polytetrahydrofuran | Christoph Sigwart, Rainer Becker, Klaus-Dieter Plitzko, Rolf Fischer, Frank Stein +2 more | 2001-04-03 |
| 6198002 | Preparation of secondary and tertiary 2-methyl-1, 5-pentanediamines | Bernd Fiege, Stefan Rittinger, Eberhard Fuchs | 2001-03-06 |
| 6197979 | Method for producing polytetrahydrofuran with low color index | Rainer Becker, Heinz Rutter, Michael Hesse | 2001-03-06 |
| 6166207 | Preparation of bicyclic amidines and diazacycloalkenes | Wolfgang Friedrich, Heinz-Josef Kneuper, Tom Witzel | 2000-12-26 |
| 6143934 | Preparation of amines from olefins over boron beta-zeolites | Uwe Dingerdissen, Rudolf Kummer, Peter Stops, Ulrich Müller, Jürgen Herrmann | 2000-11-07 |
| 6124368 | Method for producing polytetrahydrofuran | Christoph Sigwart, Rainer Becker, Klaus-Dieter Plitzko | 2000-09-26 |
| 6111147 | Process for preparing polytetrahydrofuran and derivatives thereof | Christoph Sigwart, Rainer Becker, Klaus-Dieter Plitzko, Rolf Fischer, Frank Stein +2 more | 2000-08-29 |
| 6111141 | Preparation of N-ethyldiisopropylamine | Bernd Fiege, Andreas Henne, Heinz-Josef Kneuper | 2000-08-29 |
| 6043338 | Method of producing polyoxytetramethylene glycol | Christoph Sigwart, Rolf Fischer, Rainer Becker, Klaus-Dieter Plitzko, Gerd Heilen | 2000-03-28 |
| 5922886 | Process for producing N-substituted 3-hydroxypyrazoles | Hartmann Konig, Norbert Gotz, Ulrich Klein | 1999-07-13 |
| 5900508 | Preparation of amines from olefins over zeolites of the type PSH-3, MCM-22, SSZ-25 or mixtures thereof | Ulrich Müller, Rudolf Kummer, Peter Stops | 1999-05-04 |
| 5886226 | Process for producing amines from olefins on zeolites of types SSZ-33, CIT-1 or mixtures thereof | Rudolf Kummer, Peter Stops | 1999-03-23 |